Patents by Inventor Yoshihiko KANEMITSU

Yoshihiko KANEMITSU has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Semiconductor film, solar cell, light-emitting diode, thin film transistor, and electronic device
    Patent number: 11107885
    Abstract: A semiconductor film includes a cluster of semiconductor quantum dots each having a metal atom and ligands coordinating to respective semiconductor quantum dots, and the semiconductor quantum dots have an average shortest inter-dot distance of less than 0.45 nm. A solar cell, a light-emitting diode, a thin film transistor, and an electronic device include the semiconductor film.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: August 31, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Masashi Ono, Makoto Kikuchi, Atsushi Tanaka, Masayuki Suzuki, Yoshihiko Kanemitsu
  • Semiconductor film, method of producing semiconductor film, solar cell, light-emitting diode, thin film transistor, and electronic device
    Patent number: 10886421
    Abstract: A semiconductor film, including: an assembly of semiconductor quantum dots containing a metal atom; and a ligand that is coordinated to the semiconductor quantum dots and that is represented by the following Formula (A): wherein, in Formula (A), X1 represents NH, S, or O; each of X2 and X3 independently represents NH2, SH, or OH; and each of n and m independently represents an integer from 1 to 3.
    Type: Grant
    Filed: June 22, 2015
    Date of Patent: January 5, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Masashi Ono, Makoto Kikuchi, Atsushi Tanaka, Masayuki Suzuki, Yoshihiko Kanemitsu
  • Semiconductor film, method of producing semiconductor film, solar cell, light-emitting diode, thin film transistor, and electronic device
    Patent number: 10050161
    Abstract: A semiconductor film, including: an assembly of semiconductor quantum dots containing a metal atom; and at least one ligand that is coordinated to the semiconductor quantum dots and that is selected from a ligand represented by Formula (A), a ligand represented by Formula (B), and a ligand represented by Formula (C): wherein, in Formula (A), X1 represents —SH, —NH2, or —OH; and each of A1 and B1 independently represents a hydrogen atom or a substituent having from 1 to 10 atoms; provided that when A1 and B1 are both hydrogen atoms, X1 represents —SH or —OH; in Formula (B), X2 represents —SH, —NH2, or —OH; and each of A2 and B2 independently represents a hydrogen atom or a substituent having from 1 to 10 atoms; and in Formula (C), A3 represents a hydrogen atom or a substituent having from 1 to 10 atoms.
    Type: Grant
    Filed: April 29, 2015
    Date of Patent: August 14, 2018
    Assignee: FUJIFILM Corporation
    Inventors: Masashi Ono, Makoto Kikuchi, Atsushi Tanaka, Masayuki Suzuki, Yoshihiko Kanemitsu
  • SEMICONDUCTOR FILM, SOLAR CELL, LIGHT-EMITTING DIODE, THIN FILM TRANSISTOR, AND ELECTRONIC DEVICE
    Publication number: 20180138267
    Abstract: A semiconductor film includes a cluster of semiconductor quantum dots each having a metal atom and ligands coordinating to respective semiconductor quantum dots, and the semiconductor quantum dots have an average shortest inter-dot distance of less than 0.45 nm. A solar cell, a light-emitting diode, a thin film transistor, and an electronic device include the semiconductor film.
    Type: Application
    Filed: December 21, 2017
    Publication date: May 17, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Masashi ONO, Makoto KIKUCHI, Atsushi TANAKA, Masayuki SUZUKI, Yoshihiko KANEMITSU
  • SEMICONDUCTOR FILM, METHOD OF PRODUCING SEMICONDUCTOR FILM, SOLAR CELL, LIGHT-EMITTING DIODE, THIN FILM TRANSISTOR, AND ELECTRONIC DEVICE
    Publication number: 20150318421
    Abstract: A semiconductor film, including: an assembly of semiconductor quantum dots containing a metal atom; and a ligand that is coordinated to the semiconductor quantum dots and that is represented by the following Formula (A): wherein, in Formula (A), X1 represents NH, S, or O; each of X2 and X3 independently represents NH2, SH, or OH; and each of n and m independently represents an integer from 1 to 3.
    Type: Application
    Filed: June 22, 2015
    Publication date: November 5, 2015
    Applicant: FUJIFILM CORPORATION
    Inventors: Masashi ONO, Makoto KIKUCHI, Atsushi TANAKA, Masayuki SUZUKI, Yoshihiko KANEMITSU
  • SEMICONDUCTOR FILM, SOLAR CELL, LIGHT-EMITTING DIODE, THIN FILM TRANSISTOR, AND ELECTRONIC DEVICE
    Publication number: 20150295035
    Abstract: A semiconductor film includes a cluster of semiconductor quantum dots each having a metal atom and ligands coordinating to respective semiconductor quantum dots, and the semiconductor quantum dots have an average shortest inter-dot distance of less than 0.45 nm. A solar cell, a light-emitting diode, a thin film transistor, and an electronic device include the semiconductor film.
    Type: Application
    Filed: June 1, 2015
    Publication date: October 15, 2015
    Applicant: FUJIFILM CORPORATION
    Inventors: Masashi ONO, Makoto KIKUCHI, Atsushi TANAKA, Masayuki SUZUKI, Yoshihiko KANEMITSU
  • SEMICONDUCTOR FILM, METHOD OF PRODUCING SEMICONDUCTOR FILM, SOLAR CELL, LIGHT-EMITTING DIODE, THIN FILM TRANSISTOR, AND ELECTRONIC DEVICE
    Publication number: 20150287878
    Abstract: A semiconductor film, including: an assembly of semiconductor quantum dots containing a metal atom; a thiocyanate ion coordinated to the semiconductor quantum dots; and a metal ion.
    Type: Application
    Filed: June 22, 2015
    Publication date: October 8, 2015
    Applicant: FUJIFILM Corporation
    Inventors: Masashi ONO, Makoto KIKUCHI, Atsushi TANAKA, Masayuki SUZUKI, Yoshihiko KANEMITSU
  • SEMICONDUCTOR FILM, METHOD OF PRODUCING SEMICONDUCTOR FILM, SOLAR CELL, LIGHT-EMITTING DIODE, THIN FILM TRANSISTOR, AND ELECTRONIC DEVICE
    Publication number: 20150236178
    Abstract: A semiconductor film, including: an assembly of semiconductor quantum dots containing a metal atom; and at least one ligand that is coordinated to the semiconductor quantum dots and that is selected from a ligand represented by Formula (A), a ligand represented by Formula (B), and a ligand represented by Formula (C): wherein, in Formula (A), X1 represents —SH, —NH2, or —OH; and each of A1 and B1 independently represents a hydrogen atom or a substituent having from 1 to 10 atoms; provided that when A1 and B1 are both hydrogen atoms, X1 represents —SH or —OH; in Formula (B), X2 represents —SH, —NH2, or —OH; and each of A2 and B2 independently represents a hydrogen atom or a substituent having from 1 to 10 atoms; and in Formula (C), A3 represents a hydrogen atom or a substituent having from 1 to 10 atoms.
    Type: Application
    Filed: April 29, 2015
    Publication date: August 20, 2015
    Applicant: FUJIFILM Corporation
    Inventors: Masashi ONO, Makoto KIKUCHI, Atsushi TANAKA, Masayuki SUZUKI, Yoshihiko KANEMITSU